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telnet: encoding latin1/utf8 patch from justme1968

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git-svn-id: https://svn.fhem.de/fhem/trunk@3735 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
rudolfkoenig 2013-08-18 11:29:23 +00:00
parent 3a5fbcde09
commit 2047a2c3fd
1 changed files with 38 additions and 1 deletions
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39
fhem/FHEM/98_telnet.pm
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@ -21,9 +21,33 @@ telnet_Initialize($)
$hash->{AttrFn} = "telnet_Attr";
$hash->{NotifyFn}= "telnet_SecurityCheck";
$hash->{AttrList} = "loglevel:0,1,2,3,4,5,6 globalpassword password ".
"allowfrom SSL connectTimeout connectInterval";
"allowfrom SSL connectTimeout connectInterval ".
"encoding:utf8,latin1";
$hash->{ActivateInformFn} = "telnet_ActivateInform";
my %lhash = ( Fn=>"CommandTelnetEncoding",
ClientFilter => "telnet",
Hlp=>"[utf8|latin1],query and set the character encoding for the current telnet session" );
$cmds{encoding} = \%lhash;
}
sub
CommandTelnetEncoding($$)
{
my ($hash, $param) = @_;
my $ret = "";
if( !$param ) {
$ret = "current encoding is $hash->{encoding}";
} elsif( $param eq "utf8" || $param eq "latin1" ) {
$hash->{encoding} = $param;
syswrite($hash->{CD}, sprintf("%c%c%c", 255, 253, 0) );
$ret = "encoding changed to $param";
} else {
$ret = "unknown encoding >>$param<<";
}
return $ret;
}
#####################################
@ -160,6 +184,9 @@ telnet_Read($)
if($hash->{SERVERSOCKET}) { # Accept and create a child
my $chash = TcpServer_Accept($hash, "telnet");
return if(!$chash);
$chash->{encoding} = AttrVal($name, "encoding", "utf8");
syswrite($chash->{CD}, sprintf("%c%c%c", 255, 253, 0) ) if( AttrVal($name, "encoding", "") ); #DO BINARY
$chash->{CD}->flush();
syswrite($chash->{CD}, sprintf("%c%c%cPassword: ", 255, 251, 1)) # WILL ECHO
if(telnet_pw($name, $chash->{NAME}));
return;
@ -224,6 +251,9 @@ telnet_Read($)
}
}
$gotCmd = 1;
if( $cmd =~ s/\xff(\xfb|\xfd)(.)// ) {
#syswrite($hash->{CD}, sprintf("%c%c%c", 255, (ord($1)==253?251:253), ord($2)));
}
if($cmd) {
if($cmd =~ m/\\ *$/) { # Multi-line
$hash->{prevlines} .= $cmd . "\n";
@ -232,6 +262,7 @@ telnet_Read($)
$cmd = $hash->{prevlines} . $cmd;
undef($hash->{prevlines});
}
$cmd = latin1ToUtf8($cmd) if( $hash->{encoding} eq "latin1" );
$ret = AnalyzeCommandChain($hash, $cmd);
push @ret, $ret if(defined($ret));
}
@ -251,6 +282,7 @@ telnet_Read($)
$ret .= ($hash->{prevlines} ? "> " : "fhem> ")
if($gotCmd && $hash->{prompt} && !$hash->{rcvdQuit});
if($ret) {
$ret = utf8ToLatin1($ret) if( $hash->{encoding} eq "latin1" );
$ret =~ s/\n/\r\n/g if($pw); # only for DOS telnet
for(;;) {
my $l = syswrite($hash->{CD}, $ret);
@ -432,6 +464,11 @@ telnet_ActivateInform($)
try to connect again after this many seconds. Default is 60.
</li><br>
<a name="encoding"></a>
<li>encoding<br>
Sets the encoding for the data send to the client. Possible values are latin1 and utf8. Default is utf8.
</li><br>
</ul>